NATIONAL
GEOGRAPHIC
JUNE 1991
Water and the West:
The Colorado River
By Jim Carrier
Photographsby Jim Richardson
Introductionby Bruce Babbitt
East Europe's
Dark Dawn
By Jon Thompson
Photographsby James Nachtwey
Secrets of
Animal Navigation
By MichaelE. Long
Photographsby James L. Amos
The Wonderland of
Lewis Carroll
By Cathy Newman
Photographsby Sam Abell
Bats-The Cactus
Connection
Text andphotographsby
Merlin D. Tuttle
Increasingdemand andpersistent
droughthave drawn down the
reservoirsof the ColoradoRiver
system, a critical watersourcefor
seven states andpartof Mexico.
2
Nations freed from decades of
communist rule and unrestricted
industrializationconfront a
harrowinglegacy: air, water, and
land deadened by pollution.
36
How does a bird migrate to a des
tination it has never seen, a salmon
return to the stream where it was
spawned? Scientists searchfor the
internalcompass and map that
guide such long-distancejourneys.
70
Behind the celebratedpen name
was the shy Oxford mathematician
CharlesLutwidge Dodgson, who
stepped through the looking-glass
with his characterAlice to create
classic storiesfor children.
100
To the Sonoran Desert'slesser
long-nosed bats, cactusflowers and
fruits are irresistible. To the cactus,
the bats are irreplaceable-aspolli
natorsand seed dispersers.
131
COVER: Carbon-blackenedboys play neara factory in Copsa Mica, Romania, in the heartof
polluted Eastern Europe. Photographby James Nachtwey.
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